apparmor: fix profile building on darwin

pkgs/applications/networking/p2p/transmission/default.nix

@@ -78,7 +78,8 @@ in stdenv.mkDerivation {
   NIX_LDFLAGS = lib.optionalString stdenv.isDarwin "-framework CoreFoundation";
 
   postInstall = ''
-    install -D -m 644 /dev/stdin $apparmor/bin.transmission-daemon <<EOF
+    mkdir $apparmor
+    cat >$apparmor/bin.transmission-daemon <<EOF
     include <tunables/global>
     $out/bin/transmission-daemon {
       include <abstractions/base>

pkgs/os-specific/linux/iputils/default.nix

@@ -38,7 +38,8 @@ in stdenv.mkDerivation rec {
   buildInputs = [ libcap ]
     ++ lib.optional (!stdenv.hostPlatform.isMusl) libidn2;
   postInstall = ''
-    install -D -m 644 /dev/stdin $apparmor/bin.ping <<EOF
+    mkdir $apparmor
+    cat >$apparmor/bin.ping <<EOF
     include <tunables/global>
     $out/bin/ping {
       include <abstractions/base>

pkgs/tools/networking/inetutils/default.nix

@@ -46,7 +46,8 @@ stdenv.mkDerivation rec {
   installFlags = [ "SUIDMODE=" ];
 
   postInstall = ''
-    install -D -m 644 /dev/stdin $apparmor/bin.ping <<EOF
+    mkdir $apparmor
+    cat >$apparmor/bin.ping <<EOF
     $out/bin/ping {
       include <abstractions/base>
       include <abstractions/consoles>